FGFS-4.1/OpenSceneGraph
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Added HUD scalar bar.

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This commit is contained in:
Robert Osfield 2004-05-20 22:20:39 +00:00
parent fee33001fd
commit 48d148601b
1 changed files with 30 additions and 2 deletions
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32
examples/osgscalarbar/osgscalarbar.cpp
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@ -6,6 +6,7 @@
#include <osg/PositionAttitudeTransform>
#include <osg/BlendFunc>
#include <osg/ClearNode>
#include <osg/Projection>
#include <osgUtil/Tesselator>
#include <osgUtil/TransformCallback>
@ -70,6 +71,31 @@ osg::Node* createScalarBar()
}
osg::Node * createScalarBar_HUD()
{
osgSim::ScalarBar * geode = new osgSim::ScalarBar;
osgSim::ScalarBar::TextProperties tp;
tp._fontFile = "fonts/times.ttf";
geode->setTextProperties(tp);
osg::StateSet * stateset = geode->getOrCreateStateSet();
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateset->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
stateset->setRenderBinDetails(11, "RenderBin");
osg::MatrixTransform * modelview = new osg::MatrixTransform;
modelview->setReferenceFrame(osg::Transform::RELATIVE_TO_ABSOLUTE);
osg::Matrixd matrix(osg::Matrixd::scale(1000,1000,1000) * osg::Matrixd::translate(120,10,0)); // I've played with these values a lot and it seems to work, but I have no idea why
modelview->setMatrix(matrix);
modelview->addChild(geode);
osg::Projection * projection = new osg::Projection;
projection->setMatrix(osg::Matrix::ortho2D(0,1280,0,1024)); // or whatever the OSG window res is
projection->addChild(modelview);
return projection; //make sure you delete the return sb line
}
int main( int argc, char **argv )
{
// use an ArgumentParser object to manage the program arguments.
@ -107,10 +133,12 @@ int main( int argc, char **argv )
return 1;
}
osg::Node* node = createScalarBar();
osg::Group* group = new osg::Group;
group->addChild(createScalarBar());
group->addChild(createScalarBar_HUD());
// add model to viewer.
viewer.setSceneData( node );
viewer.setSceneData( group );
// create the windows and run the threads.
viewer.realize();